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Cisco Unified Border Element SIP Support
This Cisco Unified Border Element is a special Cisco IOS software image that provides a network-to-network interface point for billing, security, call admission control, quality of service, and signaling interworking. This chapter describes basic gateway functionality, software images, topology, and summarizes supported features.
 Note | Cisco Product Authorization Key (PAK)--A Product Authorization Key (PAK) is required to configure some of the features described in this guide. Before you start the configuration process, please register your products and activate your PAK at the following URL http://www.cisco.com/go/license . |
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest caveats and feature information, see Bug Search Tool and the release notes for your platform and software release. To find information about the features documented in this module, and to see a list of the releases in which each feature is supported, see the feature information table at the end of this module.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To access Cisco Feature Navigator, go to www.cisco.com/go/cfn. An account on Cisco.com is not required.
Cisco Unified Border Element SIP Support Features
This chapter contains the following configuration topics:
SIP Protocol Handling and Supplementary Services
- SIP-to-SIP Basic Functionality for Session Border Controller
- SIP-to-SIP Extended Feature Functionality for Session Border Controllers
- SIP-to-SIP Supplementary Services for Session Border Controller
- Cisco UBE Support for generating Out-of-dialog SIP OPTIONS Ping messages to monitor SIP Servers
- SIP--INFO Method for DTMF Tone Generation
- SIP--Enhanced 180 Provisional Response Handling
- Configuring Support for SIP 181 Call is Being Forwarded Message
- Support for Expires Timer Reset on Receiving or Sending SIP 183 Message
- Support for PAID, PPID, Privacy, PCPID, and PAURI Headers on the Cisco UBE
- Configuring Selective Filtering of Outgoing Provisional Response on the Cisco UBE
- Cisco Unified Border Element Support for Configurable Pass-through of SIP INVITE Parameters
- Transparent Tunneling of QSIG and Q.931 over SIP TDM Gateway and SIP-SIP Cisco Unified Border Element
- SIP Diversion Header Enhancements
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Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.